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Full Discussion: Need help in Shell Scripting
Top Forums Shell Programming and Scripting Need help in Shell Scripting Post 302956438 by balajesuri on Wednesday 30th of September 2015 01:27:32 AM
Old 09-30-2015
export exports a variable to any shell that is spawned by the current shell and not to an ssh connection to a remote machine. You can try using the -o SetEnv option of ssh command.

Code:
var=value; ssh -o SetEnv=var user@host 'var_here=var; echo $var_here'

Also, there's a better way to read from file:
Code:
while read line
do
    do_something_with $line
done < /path/to/file

You might want to read about useless use of cat :-)
 

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SSH-COPY-ID(1)						    BSD General Commands Manual 					    SSH-COPY-ID(1)

NAME
ssh-copy-id -- copy public keys to a remote host SYNOPSIS
ssh-copy-id [-lv] [-i keyfile] [-o option] [-p port] [user@]hostname DESCRIPTION
The ssh-copy-id utility copies public keys to a remote host's ~/.ssh/authorized_keys file (creating the file and directory, if required). The following options are available: -i file Copy the public key contained in file. This option can be specified multiple times and can be combined with the -l option. If a private key is specified and a public key is found then the public key will be used. -l Copy the keys currently held by ssh-agent(1). This is the default if the -i option was not specified. -o ssh-option Pass this option directly to ssh(1). This option can be specified multiple times. -p port Connect to the specified port on the remote host instead of the default. -v Pass -v to ssh(1). The remaining arguments are a list of remote hosts to connect to, each one optionally qualified by a user name. EXIT STATUS
The ssh-copy-id utility exits 0 on success, and >0 if an error occurs. EXAMPLES
To send a specific key to multiple hosts: $ ssh-copy-id -i /path/to/keyfile.pub user@host1 user@host2 user@host3 HISTORY
The ssh-copy-id utility was written by Eitan Adler <eadler@FreeBSD.org> as a drop-in replacement for an existing utility included with OpenSSH. BSD
February 28, 2014 BSD
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